refactor (df/locale): savings module (#1259)

See: #1213

src/app/savings/saving-account-actions/savings-account-assign-staff/savings-account-assign-staff.component.ts

@@ -6,6 +6,7 @@ import { ActivatedRoute, Router } from '@angular/router';
 
 /** Custom Services */
 import { SavingsService } from 'app/savings/savings.service';
+import { SettingsService } from 'app/settings/settings.service';
 
 /**
  * Savings Account Assign Staff Component
@@ -36,12 +37,14 @@ export class SavingsAccountAssignStaffComponent implements OnInit {
    * @param {DatePipe} datePipe Date Pipe
    * @param {ActivatedRoute} route Activated Route
    * @param {Router} router Router
+   * @param {SettingsService} settingsService Setting service
    */
   constructor(private formBuilder: FormBuilder,
               private savingsService: SavingsService,
               private datePipe: DatePipe,
               private route: ActivatedRoute,
-              private router: Router) {
+              private router: Router,
+              private settingsService: SettingsService) {
     this.accountId = this.route.parent.snapshot.params['savingAccountId'];
     this.route.data.subscribe((data: { savingsAccountActionData: any }) => {
       this.savingsAccountData = data.savingsAccountActionData;
@@ -72,8 +75,8 @@ export class SavingsAccountAssignStaffComponent implements OnInit {
    */
   submit() {
     // TODO: Update once language and date settings are setup
-    const locale = 'en';
-    const dateFormat = 'dd MMMM yyyy';
+    const locale = this.settingsService.language.code;
+    const dateFormat = this.settingsService.dateFormat;
     const prevAssignmentDate: Date = this.savingsAssignStaffForm.value.assignmentDate;
     this.savingsAssignStaffForm.patchValue({
       assignmentDate: this.datePipe.transform(prevAssignmentDate, dateFormat),